A Virtual Time System for OpenVZ-Based Network Emulations

  title={A Virtual Time System for OpenVZ-Based Network Emulations},
  author={Yuhao Zheng and David M. Nicol},
  journal={2011 IEEE Workshop on Principles of Advanced and Distributed Simulation},
Simulation and emulation are commonly used to study the behavior of communication networks, owing to the cost and complexity of exploring new ideas on actual networks. Emula-tions executing real code have high functional fidelity, but may not have high temporal fidelity because virtual machines usually use their host's clock. A host serializes the execution of multiple virtual machines, and time-stamps on their interactions reflect this serialization. In this paper we improve temporal fidelity… CONTINUE READING
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